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fzus63 kmqt 170232
glfls 
257 

open lake forecast for lake superior
national weather service marquette mi
932 pm est sat dec 16 2017

for waters beyond five nautical miles of shore on lake superior

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...a high of 30.2 inches over ontario will move 
southeast into southern quebec overnight as it strengthens to 
30.4 inches. the region will then be influenced by weak ridging 
of 30.1 inches through monday morning before a 29.5 inch trough 
moves through the upper great lakes late monday and into tuesday. 
a high of 30.2 inches over the central plains will then impact the
region on wednesday before a strengthening low pressure of 29.5 
inches pushes out of the rockies over to the plains on thursday.

lsz162-171045-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
932 pm est sat dec 16 2017 /832 pm cst sat dec 16 2017/

.rest of tonight...south winds 5 to 15 knots becoming southwest
10 to 20 knots late. patchy freezing drizzle. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 20 knots. a slight chance of
freezing drizzle in the morning. waves building to 2 to 4 feet. 
.sunday night...west winds 10 to 20 knots backing southwest by
midnight. waves building to 3 to 5 feet occasionally to 7 feet. 
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers in the
afternoon. waves building to 4 to 7 feet occasionally to 9 feet. 
.monday night...west winds 20 to 30 knots. waves 4 to 7 feet
occasionally to 9 feet. 
.tuesday...west winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. a chance of snow showers. waves
building to 5 to 8 feet occasionally to 10 feet. 
.tuesday night...northwest gales to 35 knots diminishing to 10 to
20 knots after midnight. a chance of snow showers. waves
subsiding to 1 to 3 feet. 
.wednesday...north winds 10 to 20 knots veering northeast. snow 
showers likely. waves subsiding to calm to 2 feet, then building 
to 1 to 3 feet. 
.thursday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 

$$
fzus63 kmqt 170232
glfls 

lsz263-171045-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
932 pm est sat dec 16 2017

.rest of tonight...southeast winds 5 to 15 knots becoming  
southwest 10 to 20 knots. isolated snow showers. patchy freezing 
drizzle. waves 1 to 4 feet. 
.sunday...southwest winds 10 to 20 knots. a slight chance of snow
showers in the morning. a chance of freezing drizzle. waves
building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...west winds 10 to 20 knots becoming southwest
15 to 25 knots late. waves building to 3 to 6 feet occasionally
to 8 feet. 
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers, possibly
mixed with rain in the afternoon. waves building to 5 to 8 feet
occasionally to 10 feet. 
.monday night...west gales to 35 knots. a chance of snow showers,
possibly mixed with rain. waves building to 6 to 9 feet
occasionally to 11 feet. 
.tuesday...west gales to 35 knots. a chance of snow showers in
the morning, then snow showers likely in the afternoon. waves
building to 7 to 10 feet occasionally to 13 feet. 
.tuesday night...northwest gales to 35 knots diminishing to 15 to
25 knots after midnight. snow showers likely in the evening. a
chance of snow showers after midnight. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.wednesday...northwest winds 10 to 20 knots veering northeast. a
chance of snow showers, then snow showers likely. waves subsiding
to calm to 2 feet, then building to 1 to 3 feet. 
.thursday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 

$$

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